小编Boh*_*Hew的帖子

查看类型定义时，@types/leaflet您会看到定义的自定义控件，类似于：

export namespace Control {
    ...
    class Zoom extends Control {
        constructor(options?: ZoomOptions);
        options: ZoomOptions;
    }
    ...
}

但是，通过以下方式创建自定义控件时：

declare module 'leaflet' {
    namespace Control {
        class CustomControl extends Control {
            constructor(options: CustomOptions);
        }
    }
    namespace control {
        function customControl(options: CustomOptions): Control.CustomControl;
    }
}

L.Control.CustomControl = L.Control.extend({
    ...
});

引发打字错误： Type '(new (...args: any[]) => any) & typeof Class' is missing the following properties from type 'typeof CustomControl': Zoom, Attribution, Layers, Scale, and 6 more.

这似乎是由于名称空间和类Control通过Typescript的声明合并而发生的。这导致 …